code: def __call__(self, single_sample: int) -> int:
      return single_sample * 2
  
imports: from ray import serve
  from ray.serve.handle import DeploymentHandle
  from typing import List
  import numpy
  from ray import serve
  from ray.serve.handle import DeploymentHandle
  from typing import Dict
  import asyncio
  from typing import AsyncGenerator
  from starlette.requests import Request
  from starlette.responses import StreamingResponse
  from ray import serve
  import requests
  import asyncio
  from typing import List, AsyncGenerator, Union
  from starlette.requests import Request
  from starlette.responses import StreamingResponse
  from ray import serve
  import requests
  from functools import partial
  from concurrent.futures.thread import ThreadPoolExecutor
label_desc: Use image node_id 1 for calling the Model obj's underlying member method code with example usage: obj.__call__(single_sample) and returns: unknown